The Best Hot and Sour Soup in Las Vegas is prepared at Kung Fu Thai & Chinese Restaurant. The egg drop soup with a kick! This special soup is made with fresh cracked Extra Large USDA rated AA eggs in a special broth that is lightly seasoned, and spiced with our special blend of red hot chili paste along with a fresh grounded premium white pepper, fresh chopped chicken, diced mushrooms, dices of bamboo shoots, chunks of tofu, all sprinkled with fresh scallions.